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发明名称
Verstaerkungslocher fuer Schriftstuecke
摘要
申请公布号
DE597324(C)
申请公布日期
1934.05.22
申请号
DE1933E044145D
申请日期
1933.04.08
申请人
WALDES & KO.
发明人
分类号
B26D7/34
主分类号
B26D7/34
代理机构
代理人
主权项
地址
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